Bring back the happiness level. A ruler should be governed by his people. It will make it so that province that are runned well will gain extra perks. So people do not want to war and a Happiness level make the game more fun for the people just want to see how well they can run their province. And make it more comprehensive. In other words make it very hard for province to reach the top happiness level but if they do their kingdom will begin to gain honor along with any other bonuses that may come along with having a utopia.